Finding the Fourth Proportional to 781,858.24, 1,172,683.68 and 220,936.48
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Solution
The fourth proportional to 781,858.24, 1,172,683.68 and 220,936.48 is: 331,375.42
Step by Step Solution
- Step 1: Write the proportion equation
781,858.24 : 1,172,683.68 = 220,936.48 : x - Step 2: Convert to fraction form
781,858.24/1,172,683.68 = 220,936.48/x - Step 3: Cross multiply
781,858.24x = 1,172,683.68 × 220,936.48 - Step 4: Simplify right side
781,858.24x = 259,088,604,412.65 - Step 5: Solve for x
x = 259,088,604,412.65/781,858.24 - Step 6: Final answer
x = 331,375.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.